00784nam a2200241 a 45000010005000000030009000050050017000140080041000310100017000720200028000890200035001170400028001520500019001800820020001991000022002192450064002412500012003052600056003173000035003735040064004086500021004726500049004931016BD-DhAAL20150413121754.0150413s1995    caua     b    001 0 eng    a   95009539   a0803959354 (alk. paper)  a0803959362 (pbk. : alk. paper)  aDLCcDLCdDLCdBD-DhAAL00aH97b.M64 199500a361.6/1/0682201 aMohr, Lawrence B.10aImpact analysis for program evaluation /cLawrence B. Mohr.  a2nd ed.  aThousand Oaks, Calif. :bSage Publications,cc1995.  axxii, 311 p. :bill. ;c24 cm.  aIncludes bibliographical references (p. 295-302) and index. 0aPolicy sciences. 0aEvaluation research (Social action programs)